function hashPasswords($data) {
	if (is_array($data) && isset($data[$this->alias])) {
		if (isset($data[$this->alias]['email']) && isset($data[$this->alias]['pass'])) {
			$data[$this->alias]['pass'] = Security::hash($data[$this->alias]['pass'], 'md5', false);
		}
	}
	return $data;
}